Valve actuator



FIG. 1 is a side elevational view of the valve actuator showing our new design, the opposite side being the same as the side shown;

FIG. 2 is another side elevational view thereof with the membrane omitted;

FIG. 3 is a side elevational view of the membrane, the other sides being the same as the side shown;

FIG. 4 is a perspective view taken from the bottom and side of FIG. 1;

FIG. 5 is a perspective view taken from the bottom and side of FIG. 2;

FIG. 6 is a perspective view taken from the top and side of FIG. 1;

FIG. 7 is a perspective view taken from the bottom and side of FIG. 3; and

FIG. 8 is a perspective view taken from the top and side of FIG. 3. 

The ornamental design for a valve actuator, as shown and described. 